import java.util.Arrays;

public class J03printArr {
    public static void main(String[] args) {
        int[] arr = {1,3,6};
        for (int i = 0; i < arr.length; i++) {
            System.out.print(i+",");
        }
        System.out.println("=====");
        String str = Arrays.toString(arr);
        System.out.println("str = " + str);
    }
}
